AP Biology Questions?

Posted on 2015-10-06 06:43:00 in Biology by KRICH

1) Bacterial cells are placed into a 250mL liquid growth medium in a closed laboratory flask. According to Malthusian theory, they will reproduce exponentially and then:

The answer is: Continue reproducing geometrically until the food supply is used up, then they will cease to grow.

Can you explain why this is the answer? What does reproduce geometrically mean?
2. Organic molecules have a carbon backbone and ________ such as -OH and -NH2 that affect their chemical properties.
A. R groups
B. Functional groups
C. Extension groups
D. Chemical groups

I think the answer is B for number 2 but im not sure.

Can you please answer question 2 and explain why it is the answer you got. Also why is that the answer for number 1?

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